Table 1.
Baseline characteristics of participants (n=243)
| Variables | Values |
|---|---|
| Sex | |
| Male | 213 (87.7) |
| Female | 30 (12.3) |
| Body mass index | |
| Mean ± SD | 23.4±3.9 |
| History | |
| Smoking | 13 (5.3) |
| Recent weight loss | 51 (21.0) |
| Recent infectious disease | 21 (8.6) |
| Vaccination in the previous year | 48 (19.8) |
| Acute disease in the previous five days | 10 (4.1) |
| Exposure to COVID-19 patient | |
| Suspected | 151 (62.1) |
| Confirmed | 155 (63.8) |
| Having contaminated teammate or roommate | |
| Before getting infected | 15(6.2) |
| After getting infected | 16 (6.6) |
| Presentation | |
| Symptomatic | 122 (50.2) |
| Asymptomatic | 121 (49.8) |
| Chest CT-scan results | |
| Positive | 64 (42.9) |
| Negative | 85 (57.1) |
| RT-PCR test results (n=101) | |
| Positive | 38 (37.3) |
| Negative | 63 (63.7) |
| Rapid test results | |
| Only IgM positive | 3(1.2) |
| Only IgG positive | 19 (7.8) |
| IgM and IgG positive | 79 (32.5) |
| Time since symptom onset (day) | |
| Confirmation by the RT-PCR and/or chest CT-scan | 4.2±3.8 |
| Confirmation of COVID-19 by antibody rapid test | 50.6±18.4 |
Data are presented as mean ± standard deviation (SD) or frequency (%); CT: Computed Tomography; RT-PCR: Reverse Transcription Polymerase Chain Reaction; COVID-19: Coronavirus Disease.